Large quantities of the antibody Y can defend our organism from the invasic bacterium that has a membrane-bound form of the antigen X. These large q antibody Y: O a. are produced, but cannot be secreted, by B lymphocytes that make after the antibody binds to the antigen X O b. can be obtained if B Iymphocytes that make the antihody Y aro fuco

Q: Neutrophils are most effective at: antibody formation. O fighting a viral infection. fighting a…

A: Ans- Neutrophils are the most common type of white blood cell in the body, which makes them a first…

Q: Helper T Cells: O A. Are activated by professional antigen presenting cells. OB. Each one has…

A: Helper T cells play a central role in immune responses. They are also known as CD4+ cells. They…

Q: The allergic response is caused by ___ that secrete large amounts of allergens bind to , --- when…

A: Given: The allergic response is caused.

Q: A T lymphocyte activated in the GALT will subsequently home to all of the following except _____.…

A: Gut associated lymphocyte tissue or GALT complex function is to form as a protective immune system…

Q: Which feature is NOT associated with innate lymphoid cells (ILCS) as compared to adaptive immune…

A: lack t cell receptor (TCR)

Q: Antibodies are produced by: O Eosinophils O T Cells O Macrophages O B Cells O A Cells

A: Antibody is also known as immunoglobulin is a kind of Y shaped protein which are the specific sites…

Q: The binding groove of endothelial protein C receptor (EPCR) binds to _____ and presents them to…

A: In humans, a protein that is encoded by the PROCR gene, is known as Endothelial protein C receptor.…

Q: The human immunodeficiency virus has a preference forinfectinga. B lymphocytes.b. cytotoxic T…

A: The human immunodeficiency virus has a preference forinfecting

Q: Rh-D-negative individuals generate an immune response when they are exposed to the Rh-D antigen.…

A: Our Immune responses happen in three stages:   the immune system identifies outside material…

Q: O IgA O IgG O IgM O IgE constitutes about 80% of circulating antibodies in plasma.

A: The correct Option for the answer tot htis question is Option B:- IgG. IgG constitutes about 75-80%…

Q: Generally, polysaccha are not good antigenS, because B cells recognize thei annot get T-cell help.…

A: INTRODUCTION The immune system consists of cells that protect organisms from foreign invaders. This…

Q: Tuberculosis is a chronic respiratory condition caused by Mycobacterium tuberculosis, a high…

A: Tuberculosis is caused by Mycobacterium tuberculosis.

Q: When a helper T cell releases interleukin-1 to stimulate other leukocytes during antigen…

A: The cells communicate through the mode of biochemical exchange. It is studied under the domain of…

Q: Production of autoantibodies may be due toa. emergence of forbidden clones of B cellsb. production…

A: d.all of these are may be possible for production of autoantibodies...

Q: MHC class II is a cell surface molecule present on Options B cells O All nucleated cells APCS O T…

A: Healthy cells have major histocompatibility complex (MHC) molecules on their surfaces, which…

Q: When first exposed to a foreign molecule, are the first class of antibodies generated a. cytokines…

A: The immune response is a set of responsive mechanisms carried out by the immune system of the body…

Q: In a Yersinia infection, there is a competition between Yersinia's Type Ill secretion system and the…

A: Yaersinia peptide would be presented on the macrophage surface by MHC-2.

Q: Thế immunoglobulin joining J chain is synthesised by Options T cells O Neutrophils O IgM and la A

A: The J chain, or joining chain, is a short polypeptide expressed by mucosal and glandular plasma…

Q: Natural killer cells target: A) O cells that possess abundant MHC I self antigens on their surface

A: The natural killer cell is an important cell of an innate immune system. They are larger granular…

Q: In order for B cells to produce antibodies and cytotoxic T cells to attack infected host cells, they…

A: B and T cells are lymphocytes.

Q: Germ free mice compared to mice raised in a barn would O Have underdeveloped Peyer's patches O Have…

A: Any sort of microbial infection in gut usually causes inflammation and an early or pre-mature death…

Q: Whatresults in the specificity of an antibody (i.e. one antibody can bind only one particular…

A: Antibodies are proteins that are produced in the body in response to the encouter of foreign…

Q: Antigen-presenting cells cana. take in foreign antigens.b. process antigens.c. use MHC class II…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: The immunoglobulin joining J chain is synthesised by Options O T cells O Neutrophils O IgM and Ig A…

A: It is a Protein component of the antibodies IgM and IgA. It is  a small polypeptide expressed by…

Q: Which antibody type description among A-D is falsely characterized? A) OIGA: form dimers; prevent…

A: All antibodies are secreted by the B-cells.  Antibodies are classified into 5 main classes i.e IgG,…

Q: After Endocytosis of an antigen, the antigen is more likely to be presented on О а. МНС П. O b. On…

A: MHC - Cluster of genes present on the short arm of chromosome number - 6. MHC I & II - play role…

Q: B cellsa. are processed in the thymus.b. originate in red bone marrow.c. once released into the…

A: The immune system is a defensive system in a host consisting of widely distributed cells, tissues…

Q: Tetanus (commonly known as lockjaw) is a severe illness thatcauses painful muscle spasms and…

A: Tetanus vaccines are tetanus toxoid vaccine is an inactivated toxin, whose disease-causing ability…

Q: Interferons are produced by O all healthy cells to prevent viral infection. O virus infected cells.…

A: The correct Option for the answer is Option B :-virus infected cells.

Q: erd immunity... E the symptoms it produces are mi the symptoms it produces are sho read because…

A: Herd immunity is also known as population immunity and it is indirect immunity.  It reaches the…

Q: A specific antibody will bind to: O any antigen of the same class of antigens O only one specific…

A: Introduction Antibodies are immunoglobulins or gamma globulins that are large, Y-shaped proteins,…

Q: cella which would If an antigen piesenting ced is presenting antigens from an axtracellular…

A: HGHG

Q: ch of the following statements about the spleen is true or false. If you s false, explain why.…

A: Spleen is the part of the lymphatic system. Contain the white blood cells that helps in fighting of…

Q: Lymphatic capillary, like blood capillary, allows substances of relatively large molecular size,…

A: The lymphatic system is a collection of tissues, veins, and organs that work together to return…

Q: The zone of contact between the T cell and a pathogen-infected cell is called a(n) Select one: O a.…

A: The immune system is a control network of organs and immune cells that detect and kill foreign…

Q: Antigen-antibody (immunoglobulin) binding may result in all of the following except O Complement…

A: Our immune system helps fight foreign invaders.

Q: Vaccines work by stimulating a(n) [ Select] * that causes the rapid reproduction of a specific (…

A: The immune system can be broadly categorized into two parts, innate immunity, and adaptive immunity.…

Q: T and B lymphocytes ________.a. are polymorphonuclearb. are involved with specific immune functionc.…

A: Pls refer below for solution:

Q: Explain why each choice (a-d) is correct or incorrect. Allergens differ from antigens because a.…

A: Allergns are the substances which are responsible for causing the allergy to the host.

Q: Which of the following is NOT a professional antigen presenting cell (i.e. doesn’t express MHCII)?…

A: Antigen-presenting cells (APCs) are crucial for viable immune response, as the working of both…

Q: MHC class 1 can present antigen to lymphocytes only if O Antigen was phagocytosed by host cells O…

A: MHC class I can present antigen to lymphocytes.

Q: Both NK cell and CD8 cytotoxic T cell induce apoptosis in their target cells. Which of the following…

A: Introduction The Process Of Programmed Cell Death Is Known As Apoptosis. It Is Utilised To Destroy…

Q: immunoglobulins. Immunoglobulin Function/s Ig A     Ig D     Ig E     Ig G     Ig M

A: Immunoglobulins, a specialised group of proteins that are mostly associated with gamma-globulin…

Q: Macrophages can display antigens from pathogens on cytokines O antibodies O endoplasmic reticuli O…

A: Macrophages are specialized cells involved in the detection,  phagocytosis and destruction of…

Q: possible that Soxt of T cell that is How is it you would Se cognize the dynamic in an immune…

A: T cell, also known as T lymphocyte, is a kind of leukocyte (white blood cell) that plays an…

Q: immune response

A: An immune response is produced when the self encounters non-self.  This means, the blood group of an…

Q: What is likely to be the problem if after you add substrate, all the wells begin to change to a deep…

A: ELISA is the technique in which antigens are immobilized in the well of a microtiter plate. An…

Q: Another term for antibodies is: О В сells O immunoglobulins O antigens O major histocompatibility…

A: Antibodies are synthesized by an animal to combat foreign material. Antibody occurs on the surface…

Q: T cells failing to encounter specific antigen leave lymph nodes via the Select one: a. germinal…

A: Please follow step 2 for detailed explanation.